Card No: 10224       Created: 9/06/17    Last edition: 06/10/2017

Name: CANCRINITE
Specification: [15], DF, ZL
Formula: (Na,K)7[Si7Al5O24][CO3] · H2O
Symmetry Class: hexagonal
Space Group: P 6(3)
Unit Cell
Parameters:
a = 12.6830 | c = 5.1900
Number of Formula Unit: Z = 1Unit Cell Volume, Å3: Vc = 723.01
Number of Atomic Position
per full Unit Cell
:
P/U = 74 Molar Volume, cm3/mol: Vm = 435.49
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 2.23
R-factor: -MU, 1/cm: µ = 69.160
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 30.959
Theta-Interval for CPDP: T/I = 1-45